[m-dev.] for review: performance enhancement in store_alloc.m
Thomas Charles CONWAY
conway at cs.mu.OZ.AU
Sat Apr 4 08:22:43 AEST 1998
Zoltan Somogyi, you write:
> Tom, please review this.
> Estimated hours taken: 2
> When deciding where to put the known variables at the end of a branched
> control structure, and looking at a variable not in the follow-vars
> set, prefer putting the variable into its stack slot instead of a
> free register. The semantics of the follow-vars set says that this
> variable likely won't be used before the next call. Even if follow-vars
> is not turned on, prefer putting variables in their stack slots
> to putting them in non-real registers.
This change looks fine.
Thomas Conway || conway at cs.mu.oz.au
AD DEUM ET VINUM || Nail here  for new monitor.
More information about the developers